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Tom [10]
3 years ago
13

What type of indications would be shown if an igneous rock cooled quickly?

Chemistry
1 answer:
Nana76 [90]3 years ago
6 0

It's actually C because the rock cooled fast

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What volume (in L) of nitrogen will be produced from the reaction of 6.8 L of carbon monoxide? 2CO(g) + 2NO(g) N2(g) + 2CO2(g)​
Romashka-Z-Leto [24]

2L CO gas produce 1L N2 gas  

6.8L CO gas will produce 6.8/2 = 3.4L N2 gas

6 0
3 years ago
Convert the pressure 0.8 atm to kPa.
Ludmilka [50]

Answer:

81.0

Explanation:

mutiply the value by 101.325 to get the answer a. 81.1

3 0
3 years ago
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Which element in the third period would you expect to have the larger atomic radius, sodium (Na) or Sulfur (S)?
jeyben [28]

<u>Answer: </u>The correct answer is Option B.

<u>Explanation:</u>

The given elements that is sodium and sulfur are the elements which belong to the same period that is third period.

As, the electrons are added up to the same shell across a period, the number of protons also increase and hence, they attract the electrons more effectively. This means that the effective nuclear charge also increases and the size of the sulfur thus shrink and hence, the size (atomic radius) of sodium is the largest amongst third period.

Therefore, the correct answer is Option B.

7 0
3 years ago
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What is the IUPAC name of the following compound?
pentagon [3]

Answer:

(d) 3,7-dimethyl-4-nonyne.

Explanation:

Hello,

In this case, considering the attached picture on which you can see that the main chain has nine carbon atoms, one tripe bond at the fourth carbon and two methyl radicals at the third and seventh carbons respectively, by following the IUPAC rules, the name would be: (d) 3,7-dimethyl-4-nonyne since the chain must start at the side closest to the first triple bond due to its priority and subsequently considering the present radicals.

Best regards.

3 0
3 years ago
What is the concentration (m) of sodium ions in 4.57 l of a 2.35 m na3p solution?
Leokris [45]
Answer: 1.03 x 10^25 ions Na
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3 years ago
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